tofsee | 59a4252fc5f03645821316b1d732ff452368561d8c4b2afd22bf2feb7dd98388

Analysis

max time kernel
148s
max time network
122s
platform
windows7_x64
resource
win7-20241010-en
resource tags

arch:x64arch:x86image:win7-20241010-enlocale:en-usos:windows7-x64system
submitted
30/01/2025, 19:58

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General

Target

2025-01-30_f0bfff82b4873196d13a495b6b655055_mafia.exe
Size

13.1MB
MD5

f0bfff82b4873196d13a495b6b655055
SHA1

e0e570d3002dfcc34c0cbf1adf78ee311bd8b2fe
SHA256

59a4252fc5f03645821316b1d732ff452368561d8c4b2afd22bf2feb7dd98388
SHA512

b8e2c7e5d81710036c95c1820f83e03bf4093345570790509417224d77c935864b5114562740400353f0af9241331f0e00afa9a4dff43b568d51263d6771a691
SSDEEP

49152:XqE0YKr3fYPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPJ:XqtYc3m

Score

10^/10

tofsee defense_evasion discovery execution persistence privilege_escalation trojan

Malware Config

Extracted

Family

tofsee

43.231.4.7

lazystax.ru

Signatures

Tofsee
Backdoor/botnet which carries out malicious activities based on commands from a C2 server.
trojan tofsee
Tofsee family
tofsee

Windows security bypass 2 TTPs 1 IoCs

defense_evasion trojan

Disable or Modify Tools

T1562.001

Modify Registry

T1112

description	ioc	Process
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows Defender\Exclusions\Paths\C:\Windows\SysWOW64\hacykzbd = "0"	svchost.exe

Creates new service(s) 2 TTPs
persistence execution

Windows Service
T1543.003

Service Execution
T1569.002

Modifies Windows Firewall 2 TTPs 1 IoCs

defense_evasion

Windows Service

T1543.003

Disable or Modify System Firewall

T1562.004

pid	Process
2732	netsh.exe

Sets service image path in registry 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

description	ioc	Process
Set value (str)	\REGISTRY\MACHINE\SYSTEM\ControlSet001\services\hacykzbd\ImagePath = "C:\\Windows\\SysWOW64\\hacykzbd\\ofnlvqxl.exe"	svchost.exe

Deletes itself 1 IoCs

pid	Process
2172	svchost.exe

Executes dropped EXE 1 IoCs

pid	Process
2684	ofnlvqxl.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 2684 set thread context of 2172	2684	ofnlvqxl.exe	43

Launches sc.exe 3 IoCs

Sc.exe is a Windows utlilty to control services on the system.

pid	Process
2916	sc.exe
2948	sc.exe
1412	sc.exe

Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).

System Information Discovery
T1082

Event Triggered Execution: Netsh Helper DLL 1 TTPs 3 IoCs

Netsh.exe (also referred to as Netshell) is a command-line scripting utility used to interact with the network configuration of a system.

persistence privilege_escalation

Netsh Helper DLL

T1546.007

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\NetSh	netsh.exe
Key queried	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\NetSh	netsh.exe
Key value enumerated	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\NetSh	netsh.exe

System Location Discovery: System Language Discovery 1 TTPs 9 IoCs

Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

discovery

System Language Discovery

T1614.001

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	sc.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	sc.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	netsh.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	ofnlvqxl.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	svchost.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	2025-01-30_f0bfff82b4873196d13a495b6b655055_mafia.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	sc.exe

Suspicious use of WriteProcessMemory 30 IoCs

description	pid	Process	procid_target
PID 2772 wrote to memory of 3064	2772	2025-01-30_f0bfff82b4873196d13a495b6b655055_mafia.exe	30
PID 2772 wrote to memory of 3064	2772	2025-01-30_f0bfff82b4873196d13a495b6b655055_mafia.exe	30
PID 2772 wrote to memory of 3064	2772	2025-01-30_f0bfff82b4873196d13a495b6b655055_mafia.exe	30
PID 2772 wrote to memory of 3064	2772	2025-01-30_f0bfff82b4873196d13a495b6b655055_mafia.exe	30
PID 2772 wrote to memory of 2676	2772	2025-01-30_f0bfff82b4873196d13a495b6b655055_mafia.exe	32
PID 2772 wrote to memory of 2676	2772	2025-01-30_f0bfff82b4873196d13a495b6b655055_mafia.exe	32
PID 2772 wrote to memory of 2676	2772	2025-01-30_f0bfff82b4873196d13a495b6b655055_mafia.exe	32
PID 2772 wrote to memory of 2676	2772	2025-01-30_f0bfff82b4873196d13a495b6b655055_mafia.exe	32
PID 2772 wrote to memory of 2916	2772	2025-01-30_f0bfff82b4873196d13a495b6b655055_mafia.exe	34
PID 2772 wrote to memory of 2916	2772	2025-01-30_f0bfff82b4873196d13a495b6b655055_mafia.exe	34
PID 2772 wrote to memory of 2916	2772	2025-01-30_f0bfff82b4873196d13a495b6b655055_mafia.exe	34
PID 2772 wrote to memory of 2916	2772	2025-01-30_f0bfff82b4873196d13a495b6b655055_mafia.exe	34
PID 2772 wrote to memory of 2948	2772	2025-01-30_f0bfff82b4873196d13a495b6b655055_mafia.exe	36
PID 2772 wrote to memory of 2948	2772	2025-01-30_f0bfff82b4873196d13a495b6b655055_mafia.exe	36
PID 2772 wrote to memory of 2948	2772	2025-01-30_f0bfff82b4873196d13a495b6b655055_mafia.exe	36
PID 2772 wrote to memory of 2948	2772	2025-01-30_f0bfff82b4873196d13a495b6b655055_mafia.exe	36
PID 2772 wrote to memory of 1412	2772	2025-01-30_f0bfff82b4873196d13a495b6b655055_mafia.exe	38
PID 2772 wrote to memory of 1412	2772	2025-01-30_f0bfff82b4873196d13a495b6b655055_mafia.exe	38
PID 2772 wrote to memory of 1412	2772	2025-01-30_f0bfff82b4873196d13a495b6b655055_mafia.exe	38
PID 2772 wrote to memory of 1412	2772	2025-01-30_f0bfff82b4873196d13a495b6b655055_mafia.exe	38
PID 2772 wrote to memory of 2732	2772	2025-01-30_f0bfff82b4873196d13a495b6b655055_mafia.exe	41
PID 2772 wrote to memory of 2732	2772	2025-01-30_f0bfff82b4873196d13a495b6b655055_mafia.exe	41
PID 2772 wrote to memory of 2732	2772	2025-01-30_f0bfff82b4873196d13a495b6b655055_mafia.exe	41
PID 2772 wrote to memory of 2732	2772	2025-01-30_f0bfff82b4873196d13a495b6b655055_mafia.exe	41
PID 2684 wrote to memory of 2172	2684	ofnlvqxl.exe	43
PID 2684 wrote to memory of 2172	2684	ofnlvqxl.exe	43
PID 2684 wrote to memory of 2172	2684	ofnlvqxl.exe	43
PID 2684 wrote to memory of 2172	2684	ofnlvqxl.exe	43
PID 2684 wrote to memory of 2172	2684	ofnlvqxl.exe	43
PID 2684 wrote to memory of 2172	2684	ofnlvqxl.exe	43

C:\Users\Admin\AppData\Local\Temp\2025-01-30_f0bfff82b4873196d13a495b6b655055_mafia.exe
"C:\Users\Admin\AppData\Local\Temp\2025-01-30_f0bfff82b4873196d13a495b6b655055_mafia.exe"
1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2772
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /C mkdir C:\Windows\SysWOW64\hacykzbd\
  2⤵
  - System Location Discovery: System Language Discovery
  PID:3064
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /C move /Y "C:\Users\Admin\AppData\Local\Temp\ofnlvqxl.exe" C:\Windows\SysWOW64\hacykzbd\
  2⤵
  - System Location Discovery: System Language Discovery
  PID:2676
- C:\Windows\SysWOW64\sc.exe
  "C:\Windows\System32\sc.exe" create hacykzbd binPath= "C:\Windows\SysWOW64\hacykzbd\ofnlvqxl.exe /d\"C:\Users\Admin\AppData\Local\Temp\2025-01-30_f0bfff82b4873196d13a495b6b655055_mafia.exe\"" type= own start= auto DisplayName= "wifi support"
  2⤵
  - Launches sc.exe
  - System Location Discovery: System Language Discovery
  PID:2916
- C:\Windows\SysWOW64\sc.exe
  "C:\Windows\System32\sc.exe" description hacykzbd "wifi internet conection"
  2⤵
  - Launches sc.exe
  - System Location Discovery: System Language Discovery
  PID:2948
- C:\Windows\SysWOW64\sc.exe
  "C:\Windows\System32\sc.exe" start hacykzbd
  2⤵
  - Launches sc.exe
  - System Location Discovery: System Language Discovery
  PID:1412
- C:\Windows\SysWOW64\netsh.exe
  "C:\Windows\System32\netsh.exe" advfirewall firewall add rule name="Host-process for services of Windows" dir=in action=allow program="C:\Windows\SysWOW64\svchost.exe" enable=yes>nul
  2⤵
  - Modifies Windows Firewall
  - Event Triggered Execution: Netsh Helper DLL
  - System Location Discovery: System Language Discovery
  PID:2732

C:\Windows\SysWOW64\hacykzbd\ofnlvqxl.exe
C:\Windows\SysWOW64\hacykzbd\ofnlvqxl.exe /d"C:\Users\Admin\AppData\Local\Temp\2025-01-30_f0bfff82b4873196d13a495b6b655055_mafia.exe"
1⤵
- Executes dropped EXE
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2684
- C:\Windows\SysWOW64\svchost.exe
  svchost.exe
  2⤵
  - Windows security bypass
  - Sets service image path in registry
  - Deletes itself
  - System Location Discovery: System Language Discovery
  PID:2172

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

System Services

T1569

Service Execution

T1569.002

Persistence

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Create or Modify System Process

T1543

Windows Service

T1543.003

Event Triggered Execution

T1546

Netsh Helper DLL

T1546.007

Privilege Escalation

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Create or Modify System Process

T1543

Windows Service

T1543.003

Event Triggered Execution

T1546

Netsh Helper DLL

T1546.007

Defense Evasion

Impair Defenses

T1562

Disable or Modify System Firewall

T1562.004

Disable or Modify Tools

T1562.001

Modify Registry

T1112

Credential Access

Discovery

System Information Discovery

T1082

System Location Discovery

T1614

System Language Discovery

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

C:\Users\Admin\AppData\Local\Temp\ofnlvqxl.exe

Filesize
10.9MB

MD5
f4244194c95ba6390d5ba036797270ec

SHA1
a03f6998772ea0ffee8912177b96c9d4a6795230

SHA256
d33ed62cc5d6455e051805b0954c2ce255d74b1b64d791d4cebd893d8292ab0c

SHA512
3687aaeb674ec9099793fb624b6570f07c8da752ce05e3915374a48a7ec89437aed114cec80e32812a929e441404606a9df34def4d650d34328f56d23a6ed913

Download Submit
memory/2172-11-0x00000000000C0000-0x00000000000D5000-memory.dmp

Filesize
84KB

Download
memory/2172-14-0x00000000000C0000-0x00000000000D5000-memory.dmp

Filesize
84KB

Download
memory/2172-16-0x00000000000C0000-0x00000000000D5000-memory.dmp

Filesize
84KB

Download
memory/2172-13-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/2172-18-0x00000000000C0000-0x00000000000D5000-memory.dmp

Filesize
84KB

Download
memory/2684-17-0x0000000000400000-0x0000000002DC3000-memory.dmp

Filesize
41.8MB

Download
memory/2772-3-0x0000000000400000-0x0000000000415000-memory.dmp

Filesize
84KB

Download
memory/2772-2-0x0000000000020000-0x0000000000033000-memory.dmp

Filesize
76KB

Download
memory/2772-9-0x0000000000400000-0x0000000000415000-memory.dmp

Filesize
84KB

Download
memory/2772-8-0x0000000000020000-0x0000000000033000-memory.dmp

Filesize
76KB

Download
memory/2772-7-0x0000000000400000-0x0000000002DC3000-memory.dmp

Filesize
41.8MB

Download
memory/2772-1-0x0000000002ED0000-0x0000000002FD0000-memory.dmp

Filesize
1024KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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